Grinding and polishing disc having extending fins which create an air cooling vortex



FIG. 1 is a front-side perspective view of the grinding and polishing disc having extending fins which create an air cooling vortex, showing my new design;

FIG. 2 is a rear-side perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is rear view thereof. 

The ornamental design for a grinding and polishing disc having extending fins which create an air cooling vortex, as shown. 